X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FRevocationKey.java;fp=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FRevocationKey.java;h=f52d4ae9af61c6c20f8d8f3e4f41fd2ae7e85f6c;hb=2bb592fb946e316dba9f4d1123f8ac72ff4e9bf8;hp=0000000000000000000000000000000000000000;hpb=519dc944de5b88f95975140a13fbc6d77dd15a95;p=ldk-java diff --git a/src/main/java/org/ldk/structs/RevocationKey.java b/src/main/java/org/ldk/structs/RevocationKey.java new file mode 100644 index 00000000..f52d4ae9 --- /dev/null +++ b/src/main/java/org/ldk/structs/RevocationKey.java @@ -0,0 +1,152 @@ +package org.ldk.structs; + +import org.ldk.impl.bindings; +import org.ldk.enums.*; +import org.ldk.util.*; +import java.util.Arrays; +import java.lang.ref.Reference; +import javax.annotation.Nullable; + + +/** + * The revocation key is used to allow a channel party to revoke their state - giving their + * counterparty the required material to claim all of their funds if they broadcast that state. + * + * Each commitment transaction has a revocation key based on the basepoint and + * per_commitment_point which is used in both commitment and HTLC transactions. + * + * See [the BOLT spec for derivation details] + * (https://github.com/lightning/bolts/blob/master/03-transactions.md#revocationpubkey-derivation) + */ +@SuppressWarnings("unchecked") // We correctly assign various generic arrays +public class RevocationKey extends CommonBase { + RevocationKey(Object _dummy, long ptr) { super(ptr); } + @Override @SuppressWarnings("deprecation") + protected void finalize() throws Throwable { + super.finalize(); + if (ptr != 0) { bindings.RevocationKey_free(ptr); } + } + + public byte[] get_a() { + byte[] ret = bindings.RevocationKey_get_a(this.ptr); + Reference.reachabilityFence(this); + return ret; + } + + public void set_a(byte[] val) { + bindings.RevocationKey_set_a(this.ptr, InternalUtils.check_arr_len(val, 33)); + Reference.reachabilityFence(this); + Reference.reachabilityFence(val); + } + + /** + * Constructs a new RevocationKey given each field + */ + public static RevocationKey of(byte[] a_arg) { + long ret = bindings.RevocationKey_new(InternalUtils.check_arr_len(a_arg, 33)); + Reference.reachabilityFence(a_arg); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.RevocationKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.RevocationKey(null, ret); } + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Checks if two RevocationKeys contain equal inner contents. + * This ignores pointers and is_owned flags and looks at the values in fields. + * Two objects with NULL inner values will be considered "equal" here. + */ + public boolean eq(org.ldk.structs.RevocationKey b) { + boolean ret = bindings.RevocationKey_eq(this.ptr, b == null ? 0 : b.ptr); + Reference.reachabilityFence(this); + Reference.reachabilityFence(b); + if (this != null) { this.ptrs_to.add(b); }; + return ret; + } + + @Override public boolean equals(Object o) { + if (!(o instanceof RevocationKey)) return false; + return this.eq((RevocationKey)o); + } + long clone_ptr() { + long ret = bindings.RevocationKey_clone_ptr(this.ptr); + Reference.reachabilityFence(this); + return ret; + } + + /** + * Creates a copy of the RevocationKey + */ + public RevocationKey clone() { + long ret = bindings.RevocationKey_clone(this.ptr); + Reference.reachabilityFence(this); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.RevocationKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.RevocationKey(null, ret); } + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); }; + return ret_hu_conv; + } + + /** + * Generates a non-cryptographic 64-bit hash of the RevocationKey. + */ + public long hash() { + long ret = bindings.RevocationKey_hash(this.ptr); + Reference.reachabilityFence(this); + return ret; + } + + @Override public int hashCode() { + return (int)this.hash(); + } + /** + * Derives a per-commitment-transaction revocation public key from one party's per-commitment + * point and the other party's [`RevocationBasepoint`]. This is the public equivalent of + * [`chan_utils::derive_private_revocation_key`] - using only public keys to derive a public + * key instead of private keys. + * + * Note that this is infallible iff we trust that at least one of the two input keys are randomly + * generated (ie our own). + * + * [`chan_utils::derive_private_revocation_key`]: crate::ln::chan_utils::derive_private_revocation_key + */ + public static RevocationKey from_basepoint(org.ldk.structs.RevocationBasepoint countersignatory_basepoint, byte[] per_commitment_point) { + long ret = bindings.RevocationKey_from_basepoint(countersignatory_basepoint == null ? 0 : countersignatory_basepoint.ptr, InternalUtils.check_arr_len(per_commitment_point, 33)); + Reference.reachabilityFence(countersignatory_basepoint); + Reference.reachabilityFence(per_commitment_point); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.RevocationKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.RevocationKey(null, ret); } + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(countersignatory_basepoint); }; + return ret_hu_conv; + } + + /** + * Get inner Public Key + */ + public byte[] to_public_key() { + byte[] ret = bindings.RevocationKey_to_public_key(this.ptr); + Reference.reachabilityFence(this); + return ret; + } + + /** + * Serialize the RevocationKey object into a byte array which can be read by RevocationKey_read + */ + public byte[] write() { + byte[] ret = bindings.RevocationKey_write(this.ptr); + Reference.reachabilityFence(this); + return ret; + } + + /** + * Read a RevocationKey from a byte array, created by RevocationKey_write + */ + public static Result_RevocationKeyDecodeErrorZ read(byte[] ser) { + long ret = bindings.RevocationKey_read(ser); + Reference.reachabilityFence(ser); + if (ret >= 0 && ret <= 4096) { return null; } + Result_RevocationKeyDecodeErrorZ ret_hu_conv = Result_RevocationKeyDecodeErrorZ.constr_from_ptr(ret); + return ret_hu_conv; + } + +}